fix reversed arrow icons

xwords4/android/app/src/main/res/drawable/ic_downarrow.xml

@@ -4,7 +4,7 @@
     android:viewportWidth="200"
     android:viewportHeight="200">
   <path
-      android:pathData="M10.583,141.792L10.583,67.708L100.542,67.708L100.542,14.792L190.5,104.75 100.542,194.708v-52.917z"
+      android:pathData="m63.5,14.792 l74.083,0L137.583,104.75L190.5,104.75L100.542,194.708 10.583,104.75L63.5,104.75Z"
       android:strokeAlpha="1"
       android:strokeLineJoin="miter"
       android:strokeWidth="0.26458332"

xwords4/android/app/src/main/res/drawable/ic_rightarrow.xml

@@ -4,7 +4,7 @@
     android:viewportWidth="200"
     android:viewportHeight="200">
   <path
-      android:pathData="m63.5,14.792 l74.083,0L137.583,104.75L190.5,104.75L100.542,194.708 10.583,104.75L63.5,104.75Z"
+      android:pathData="M10.583,141.792L10.583,67.708L100.542,67.708L100.542,14.792L190.5,104.75 100.542,194.708v-52.917z"
       android:strokeAlpha="1"
       android:strokeLineJoin="miter"
       android:strokeWidth="0.26458332"

xwords4/android/img_src/downarrow.svg

@@ -59,7 +59,7 @@
      transform="translate(0,-97)">
     <path
        style="fill:#000000;fill-opacity:1;stroke:#000000;stroke-width:0.26458332px;stroke-linecap:butt;stroke-linejoin:miter;stroke-opacity:1"
-       d="M 10.583336,238.79167 V 164.70834 H 100.54167 V 111.79167 L 190.5,201.75 100.54167,291.70833 v -52.91666 z"
+       d="m 63.5,111.79167 74.08333,0 V 201.75 H 190.5 L 100.54167,291.70833 10.583333,201.75 H 63.5 Z"
        id="path7105"
        inkscape:connector-curvature="0"
        sodipodi:nodetypes="cccccccc" />

xwords4/android/img_src/rightarrow.svg

@@ -59,7 +59,7 @@
      transform="translate(0,-97)">
     <path
        style="fill:#000000;fill-opacity:1;stroke:#000000;stroke-width:0.26458332px;stroke-linecap:butt;stroke-linejoin:miter;stroke-opacity:1"
-       d="m 63.5,111.79167 74.08333,0 V 201.75 H 190.5 L 100.54167,291.70833 10.583333,201.75 H 63.5 Z"
+       d="M 10.583336,238.79167 V 164.70834 H 100.54167 V 111.79167 L 190.5,201.75 100.54167,291.70833 v -52.91666 z"
        id="path7105"
        inkscape:connector-curvature="0"
        sodipodi:nodetypes="cccccccc" />